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OSX_COINSTEAL.A

July 06, 2017
 Analysis by: Alvin John Nieto
 ALIASES:

OSX/BitSteal-B (Sophos)

 PLATFORM:

Mac OS X

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 INFORMATION EXPOSURE:

  • Threat Type: Spyware

  • Destructiveness: No

  • Encrypted: Yes

  • In the wild: Yes

  OVERVIEW

Infection Channel:

Downloaded from the Internet

This Spyware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  TECHNICAL DETAILS

File Size:

10,801,348 bytes

File Type:

Mach-O

Memory Resident:

Yes

Initial Samples Received Date:

17 Mar 2014

Payload:

Connects to URLs/IPs

Arrival Details

This Spyware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Stolen Information

This Spyware sends the gathered information via HTTP POST to the following URL:

  • https://{BLOCKED}.{BLOCKED}.242.145/cgi-bin/sync.cgi
  • https://{BLOCKED}.{BLOCKED}.242.145/cgi-bin/conf.cgi

NOTES:

This spyware searches for the following files:

  • /User/{User name}/Library/Application Support/Bitcoin/bitcoin.conf
  • /User/{User name}/Library/Application Support/Bitcoin/wallet.dat

  SOLUTION

Minimum Scan Engine:

9.700

FIRST VSAPI PATTERN FILE:

10.670.06

FIRST VSAPI PATTERN DATE:

17 Mar 2014

Scan your computer with your Trend Micro product to delete files detected as OSX_COINSTEAL.A. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.


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